package cn.tedu.ivos2.application.service.Impl;

import cn.tedu.ivos2.application.mapper.ApplicationMapper;
import cn.tedu.ivos2.application.pojo.dto.ApplicationQuery;
import cn.tedu.ivos2.application.pojo.dto.ApplicationSaveParam;
import cn.tedu.ivos2.application.pojo.entity.Application;
import cn.tedu.ivos2.application.pojo.vo.ApplicationVO;
import cn.tedu.ivos2.application.service.ApplicationService;
import cn.tedu.ivos2.audit.mapper.AuditMapper;
import cn.tedu.ivos2.audit.pojo.vo.AuditVO;
import cn.tedu.ivos2.audit.service.AuditService;
import cn.tedu.ivos2.base.enums.ApplicationStatusEnum;
import cn.tedu.ivos2.user.mapper.UserMapper;
import cn.tedu.ivos2.user.pojo.vo.UserVO;
import cn.tedu.ivos2.vehicle.mapper.VehicleMapper;
import cn.tedu.ivos2.vehicle.pojo.entity.Vehicle;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.*;

@Slf4j
@Service
public class ApplicationServiceImpl implements ApplicationService {
    @Autowired
    ApplicationMapper applicationMapper;
    @Autowired
    AuditService auditService;
    @Autowired
    UserMapper userMapper;
    @Autowired
    AuditMapper auditMapper;
    @Autowired
    VehicleMapper vehicleMapper;

    @Override
    public void save(ApplicationSaveParam applicationSaveParam) {
        log.debug("保存申请单业务：applicationSaveParam={}",applicationSaveParam);
        Application application = new Application();
        BeanUtils.copyProperties(applicationSaveParam,application);
        application.setStatus(ApplicationStatusEnum.PENDING.getCode());
        application.setCreateTime(new Date());
        applicationMapper.insert(application);

        auditService.insertAudit(application);
    }

    @Override
    public List<ApplicationVO> selectApplication(ApplicationQuery applicationQuery) {
        log.debug("查询申请单业务：applicationQuery={}",applicationQuery);
        List<ApplicationVO> list = applicationMapper.selectApplication(applicationQuery);
        for(int i = 0;i<list.size();i++){
            ApplicationVO applicationVO = list.get(i);
            assignAuditUserList(applicationVO);
        }
        return list;
    }

    @Override
    public void cancel(Long id) {
        log.debug("撤销申请单业务：id={}",id);
        Application application  = new Application();
        application.setId(id);
        application.setStatus(ApplicationStatusEnum.CANCEL.getCode());
        application.setUpdateTime(new Date());
        applicationMapper.update(application);
        auditMapper.deleteByApplicationId(id);
    }

    @Override
    public void distribute(Long applicationId, Long vehicleId) {
        log.debug("分配车辆业务：applicationId={},vehicleId={}",applicationId,vehicleId);
        Application application = new Application();
        application.setId(applicationId);
        application.setVehicleId(vehicleId);
        application.setStatus(ApplicationStatusEnum.ALLOCATION.getCode());
        application.setUpdateTime(new Date());
        applicationMapper.update(application);
        Vehicle vehicle = new Vehicle();
        vehicle.setId(vehicleId);
        vehicle.setId(vehicleId);
        vehicle.setStatus("2");
        vehicle.setUpdateTime(new Date());
        vehicleMapper.update(vehicle);

    }

    @Override
    public void back(Long applicationId, Long vehicleId) {
        log.debug("还车业务：applicationId={},vehicleId={}",applicationId,vehicleId);
        Application application = new Application();
        application.setId(applicationId);
        application.setVehicleId(null);
        application.setStatus(ApplicationStatusEnum.END.getCode());
        application.setUpdateTime(new Date());
        applicationMapper.back(application);
        Vehicle vehicle = new Vehicle();
        vehicle.setId(vehicleId);
        vehicle.setStatus("1");
        vehicleMapper.update(vehicle);

    }

    private void assignAuditUserList(ApplicationVO applicationVO){
        List<Long> auditUserIdList = new ArrayList<>();
        List<String> auditUsernameList = new ArrayList<>();
        List<AuditVO> auditVOList = auditService.selectAuditByApplicationId(applicationVO.getId());
        for(int i = 0;i<auditVOList.size();i++){
            AuditVO auditVO = auditVOList.get(i);
            Long id = auditVO.getAuditUserId();
            auditUserIdList.add(id);
            UserVO userVO = userMapper.selectById(id);
            auditUsernameList.add(userVO.getUsername());
        }
        StringJoiner stringJoiner = new StringJoiner(",");
        for(String username:auditUsernameList){
            stringJoiner.add(username);
        }
        applicationVO.setAuditUsernameList(stringJoiner.toString());
        applicationVO.setAuditUserIdList(auditUserIdList);
    }
}
